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51887168703324 = 22331321736349909
BaseRepresentation
bin10111100110000111011000…
…10000100100101101011100
320210201100212000000100212000
423303003230100210231130
523300104410142001244
6302204345232042300
713633503260631363
oct1363035420445534
9223640760010760
1051887168703324
1115595252045759
1259a00b7993390
1322c4c29022c76
14cb54d0c647da
155eea871c7169
hex2f30ec424b5c

51887168703324 has 48 divisors (see below), whose sum is σ = 134532470906400. Its totient is φ = 17294413828608.

The previous prime is 51887168703313. The next prime is 51887168703397. The reversal of 51887168703324 is 42330786178815.

It is a happy number.

51887168703324 is a `hidden beast` number, since 5 + 1 + 8 + 87 + 168 + 70 + 3 + 324 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16747519 + ... + 19602390.

It is an arithmetic number, because the mean of its divisors is an integer number (2802759810550).

Almost surely, 251887168703324 is an apocalyptic number.

51887168703324 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

51887168703324 is an abundant number, since it is smaller than the sum of its proper divisors (82645302203076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51887168703324 is a wasteful number, since it uses less digits than its factorization.

51887168703324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36363139 (or 36363131 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 63.

The spelling of 51887168703324 in words is "fifty-one trillion, eight hundred eighty-seven billion, one hundred sixty-eight million, seven hundred three thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 13217 26434 39651 52868 79302 118953 158604 237906 356859 475812 713718 1427436 36349909 72699818 109049727 145399636 218099454 327149181 436198908 654298362 981447543 1308596724 1962895086 3925790172 480436747253 960873494506 1441310241759 1921746989012 2882620483518 4323930725277 5765240967036 8647861450554 12971792175831 17295722901108 25943584351662 51887168703324